Power device.



P. BLACK.

POWER DEVICE.

APPLICATION men DEC 1|. 1911.

Patianted Aug. 20, 1918.

avvuo/ntoz PAUL BLAGK, Q1? ALGQN IOWA.

POWER DEVICE.

Specification of Letters Patent. Patgnted A g 20, 1918 Application'filed. December 11, 1917. Serial .No. 206,662.

To all 107mm it may 0012001 11 Be it known that I, PAUL BLACK, a citizen of the United States, residing at Algona, in the county of Kossuth, State of Iowa, have invented certain new and useful Improvements in Power Devices; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to power devices.

The object of the invention is to provide a power device for actuating small machinery, such as grindstones, washing machines, cornshellers, and other small household and farm machinery. Thus, I am enabled to utilize the power derived from a wind-mill for operating machines which utilize a continuous forward rotary motion, instead of the reciprocating motion which is required to operate a windmill pump.

With the above objects in view, and such others relating to the details of construction, as may hereinafter appear, my inven tion will now be fully set forth and described, reference being had to the accompanying drawings.

In the drawings Figure 1 is an elevation of the power dev1ce,

Fig. 2 is a section on line 2-2 of Fig. 1,

Fig. 3 is a section on line 3-3 of Fig. 1, and

Fig. 4 is a side elevation of the entire structure.

Referring more particularly to the drawings, 1 represents the usual windmill pump rod which, for the purpose of this invention is disconnected from the pump, and has secured to its lower end a driving rod 2. Secured upon the lower end is a plate or casting 3 which terminates upon opposite sides in vertically apertured bearing arms 1. Slidably mounted upon the operating rod 2, near the upper end of the latter is a second casting or plate 5, similar in design to the plate 3, the plate 5 having the arms 6 which are vertically alined with the arms 4 of the casting 3. Extending through the casting 5 and also the casting 3, is a pair of rods 7, the latter being suspended from the arms 6 by means of the nuts 8 and being freely slidable through the arms 4. After passing through the arms 4, the extremlties of the rods 7 are passed through lugs 9 which are projected from the sides of a vertical rack bar 10. Interposed between the upper surface of the casting 3 and the lower face of the casting 5 isa coil spring 11 which provides a cushion connection between the rack bar 10 and the pump rod 1. The tension of the spring 11 can be regulated by relatively positioning the casting 3 upon the lower end of the rod 2. A framing structure 12 which suitably guides the rack bar 10 also has extended thereacross a shaft 13 upon which is loosely mounted a pinion lei which meshes with the rack bar 10. The pinion 14 is provided with or has secured thereto a plate or flange 15 upon whose outer face is mounted one or more spring-pressed pawls 16 which ride over the teeth of a ratchet disk 17 which is also loosely mounted upon the shaft 13. The disk 17 is connected to a wheel or pulley 18 fixed upon the shaft 13, by means of a coil spring 19 which surrounds the shaft, so that power which is communicated to the disk 17 from the pinion 14 is stored within the spring 19 and communicated to the wheel 18. A pawl 20 carried by a fixed projection 21 of the frammg structure 12 bears against the disk 17 in order to lock the latter against retrograde rotation when released by the pawl 16.

In the'operation of the foregoing mechanism, the vertical reciprocations of the pump rod 1 are communicated to the rack bar 10 through the cushion connection provided by the spring 11, the latter avoiding the sudden and destructive stopping and starting of the rack bar 10 at the ends of the reciprocat-ions of the pump rod. The rotation of the pinion 14-, occasioned by the action of the rack bar 10 is communicated through the pawls 16 to the ratchet disk 17, which not only rotates the wheel 18 but stores power within the spring 19, so that a continuous rotation of the shaft 13 is provided.

It will be apparent from the foregoing that I have provided a simple and practical mechanism for converting reciprocating motion into rotary motion without the use of intermediate pitman or cramp rods, and that the rotary motion communicated provides a continuous and flexible power.

What I claim as my invention is:

A power device, comprising in combination, a reciprocating rod, a rack bar suspended from the lower end of the rod, a spring cushioning means interposed between the rod and the rack bar, a shaft extending across the rack bar, a pinion loose on the shaft and meshing with the rack bar, a wheel fixed on the shaft, a ratchet wheel loose on the shaft, a pawl carried by the pinion and. engageable with the ratchet wheel, a coil spring connecting the ratchet wheel and the wheel fixed on the shaft and means for preventing rotation of the ratchet wheel in a' direction opposite to the direction of rota- 10 tion caused by engagement of the pawl therewith.

In testimony whereof I afiiX my signature in the presence of two witnesses.

PAUL BLACK. Witnesses:

WV. :L. AYREs,

C. H. BEARDSLEY.

Copies of this patent may be obtained for five cents each by addressing the Commissioner of Patents,

Washington, D. G. 

